131555030 has 8 divisors (see below), whose sum is σ = 236799072. Its totient is φ = 52622008.

The previous prime is 131555029. The next prime is 131555033. The reversal of 131555030 is 30555131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131554987 and 131555005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131555033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6577742 + ... + 6577761.

It is an arithmetic number, because the mean of its divisors is an integer number (29599884).

Almost surely, 2^131555030 is an apocalyptic number.

131555030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131555030 is a deficient number, since it is larger than the sum of its proper divisors (105244042).

131555030 is a wasteful number, since it uses less digits than its factorization.

131555030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13155510.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 131555030 is about 11469.7441122285. The cubic root of 131555030 is about 508.5915644588.

The spelling of 131555030 in words is "one hundred thirty-one million, five hundred fifty-five thousand, thirty".